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已知函数的值域为C,则( ) A.0∈C B.-1∈C C.3∈C D.1∈C
已知函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101703369007513/SYS201311031017033690075005_ST/0.png)
的值域为C,则( )
A.0∈C
B.-1∈C
C.3∈C
D.1∈C
考点分析:
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